Described herein is an exercise system having wearable components and resistance components. For example, in one illustrative embodiment, an exercise system can include a vest, at least one adjustable band and a resistance device. The vest can have a plurality of anchors and the adjustable band can be worn on a user's arms or legs and have at least one anchor. The resistance device can comprise (a) an anchor attachment section that can be detachably connectable to at least one of the anchors of at least one of the vest and the at least one adjustable band and (b) an object attachment section that can be removably secured to an object. When the anchor attachment section is connected to at least one of the anchors of at least one of the vest and the at least one adjustable band and the object attachment section is connected to an object, the resistance device is capable of resisting movement of a user wearing said one of the vest and at least one adjustable band away from the object.